HomeMy Public PortalAboutORD 91/04ORDINANCE NO. 91/4
AN ORDINANCE OF THE TOWN COMMISSION OF THE
TOWN OF GULF STREAM, FLORIDA, AMENDING CHAPTER
4 (BUILDINGS AND BUILDING REGULATIONS) BY
AMENDING SECTION 4-7 (FINAL DRAINAGE PLAN)
PROVIDING FOR REGULATION OF ADDITIONAL RUNOFF
TO INSURE THAT ALL IMPACTED PUBLIC DRAINAGE
FACILITIES CAN OPERATE AT THE REQUIRED LEVEL
OF SERVICE STANDARD; PROVIDING FOR
SEVERABILITY; PROVIDING FOR REPEAL OF
CONFLICTING ORDINANCES; PROVIDING FOR
CODIFICATION; PROVIDING AN EFFECTIVE DATE.
BE IT ORDAINED BY THE TOWN COMMISSION OF THE TOWN OF GULF
STREAM, FLORIDA, AS FOLLOWS:
Section 1. That Section 4-7 of Chapter 4 of the Code of
Ordinances of the Town of Gulf Stream, Florida, is hereby amended
to read as follows:
"Section 4-7. Final Drainage Plan.
(a) Definition. "One inch rainfall" shall mean the
first one inch of rain waters which fall in the proposed
building site.
(b) Area with existing drainage systems. In any area
where the Town approved positive drainage systems exists,
the following shall be required:
(1) All permit applications for any new buildings,
and all modifications, alterations or additions to any
such building which alter the existing drainage flow,
shall be accompanied by a final draining plan prepared,
signed and sealed by a Florida registered engineer or
architect showing the proposed site plan with flow arrow
indicating the final direction of the flow of rain waters
to the existing drainage system.
(2) All permit applications for new buildings, and
all modifications, alterations or additions to any such
building which alter the existing drainage flow, shall be
accompanied by a drainage plan, prepared, signed and
sealed by a Florida registered engineer or architect
which will provide for adequate drainage on the site or
within swale areas on adjacent and contiguous public
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right-of-way to retain all runoff from the first one inch
rainfall and all additional runoff necessary to insure
that all impacted public drainage facilities can operate
at or above a level of service equivalent to the twenty-
four (24) hour/three (3) Year return storm event
(c) Area with no existing drainage system. In any area
of the Town where no Town approved positive drainage
systems exists, the following shall be required:
(1) That adjoining privately owned properties will
not be adversely affected.
(2) When swales within public rights-of-way are
utilized for retention, the swale shall be of adequate
capacity to retain the runoff from a one inch rainfall
and the equivalent of a twenty-four (24) hour/three (3)
year return storm event on the right-of-way and the
adjacent and contiguous sites.
(d) Design criteria. The following basic design
criteria shall be used in the development of all drainage
plans. The design computation shall be shown on or
attached to and made a part of the drainage plan
submitted with the application for a building permit.
(1) Total proposed impervious and pervious lot area
will be indicated.
(2) Runoff coefficients from pervious and
impervious areas are to be used to determine total runoff
to be contained from the one inch rainfall and the
equivalent of a twentv-four (24) hour/three (3) year
return storm event.
Section 2. Severability.
If any provision of this Ordinance or the application thereof
is held invalid, such invalidity shall not affect the other
provisions or applications of this Ordinance which can be given
effect without the invalid provisions or applications, and to this
end the provisions of this Ordinance are hereby declared severable.
Section 3. Repeal of Ordinances in Conflict.
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All other ordinances of the Town of Gulf Stream, Florida, or
parts thereof which conflict with this or any part of this
Ordinance are hereby repealed.
Section 4. Codification.
This Ordinance shall be codified and made a part of the
official Code of Ordinances of the Town of Gulf Stream.
Section 5. Effective Date.
This Ordinance shall take effect immediately upon its passage
and approval, as provided by law.
PASSED AND ADOPTED in a regular, adjourned session on first
reading this 7th day of Ja„la_, 1991, and for a second and
final reading on this 21st day of January , 1991.
ATTEST: 7
TOWN CLERK
PAM\13147-01\ROMOFF.ORD
11\5\90
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